Refining Gauge/Gravity Correspondence with D5-branes & Calabi-Yau Spaces

To find gravity duals of gauge theories

A dictionary that relates gauge theories to gravity theories

The correct interpretation of the holographic dual of the running gauge coupling

<p>By identifying a specific 2-cycle in the dual ten-dimensional supergravity background</p> Signup and view all the answers

<p>They are discussed in the context of the gauge/gravity correspondence</p> Signup and view all the answers

<p>It has interesting physical consequences and solves a puzzle raised in the literature</p> Signup and view all the answers

<p>It is a natural realization of a geometric transition in the correspondence</p> Signup and view all the answers

<p>Extra degrees of freedom, not belonging to the gauge theory, cannot be decoupled within the supergravity regime</p> Signup and view all the answers

<p>They proposed a supergravity dual of pure N = 1 super-Yang–Mills theory</p> Signup and view all the answers

<p>2003</p> Signup and view all the answers

<p>The gravity dual of N = 1 SYM is the Klebanov–Strassler model.</p> Signup and view all the answers

<p>The properties of the gauge theory are encoded in the dual supergravity background.</p> Signup and view all the answers

<p>The MN model is constructed by engineering a N = 1 SYM theory.</p> Signup and view all the answers

<p>N D5-branes are wrapped on a non-trivial 2-cycle of a resolved Calabi-Yau space in the MN model.</p> Signup and view all the answers

<p>The unwrapped part of the brane world-volume remains flat and supports a four-dimensional gauge theory.</p> Signup and view all the answers

<p>By implementing the proper topological twist, some of the world-volume fields become massive and decouple, resulting in a four-dimensional pure N = 1 SYM theory.</p> Signup and view all the answers

<p>The world-volume theory of the D5-branes is considered at energies where both the higher string modes as well as the KK excitations on the 2-cycle decouple.</p> Signup and view all the answers

<p>The back-reaction solution is equivalent to the MN solution in the IR.</p> Signup and view all the answers

<p>2003</p> Signup and view all the answers

<p>10.1016/S0370-2693(03)00100-X</p> Signup and view all the answers

<p>neutrons, protons, and electrons</p> Signup and view all the answers

<p>subnuclear</p> Signup and view all the answers

<p>they are crushed and forced into neutronization</p> Signup and view all the answers

<p>ρ &gt; ∼ 4 × 10 11 g cm −3</p> Signup and view all the answers

<p>90%</p> Signup and view all the answers

<p>nearly pure neutron matter with a few percent admixture of protons and electrons</p> Signup and view all the answers

<p>they are crucial for many astrophysical phenomena involving neutron stars</p> Signup and view all the answers

<p>atomic and plasma physics, theory of condensed matter, physics of matter in strong magnetic fields, theory of nuclear structure, nuclear reactions, nuclear many-body problem, superfluidity, physical kinetics, hydrodynamics, physics of liquid crystals, and theory of elasticity</p> Signup and view all the answers

<p>one of the possible “crusts”</p> Signup and view all the answers

<p>they are expected to be very different in composition and structure</p> Signup and view all the answers

<p>Modeling neutron star crusts</p> Signup and view all the answers

<p>2.8 × 10^14 g cm^-3</p> Signup and view all the answers

<p>5 − 10 times the density at saturation</p> Signup and view all the answers

<p>The structure of the matter in neutron star cores and its equation of state</p> Signup and view all the answers

<p>ρ &lt; ρ_0</p> Signup and view all the answers

<p>It is a huge challenge to theorists</p> Signup and view all the answers

<p>Observations of neutron stars are crucial for selecting a correct dense matter model</p> Signup and view all the answers

<p>Progress has been achieved over the last few years</p> Signup and view all the answers

<p>A drop of highly incompressible nuclear matter</p> Signup and view all the answers

<p>Theoretical challenges include the density range and observational opportunities of the crust</p> Signup and view all the answers